Hi Eugeniu, On Fri, Oct 30, 2020 at 10:07 AM Eugeniu Rosca <erosca@xxxxxxxxxxxxxx> wrote: > On Thu, Oct 29, 2020 at 07:23:53PM +0100, Geert Uytterhoeven wrote: > > On Thu, Oct 29, 2020 at 5:34 PM Eugeniu Rosca <erosca@xxxxxxxxxxxxxx> wrote: > > [..] > > > I don't think we want to add new compatible string to describe each > > combo. Just add "renesas,r8a77961" to the last enum? > > I'm afraid I misinterpreted your request. I've pushed your proposal to > https://lore.kernel.org/linux-renesas-soc/20201030083051.18752-4-erosca@xxxxxxxxxxxxxx/ Thanks, got it! > > > IMHO one thing which is certainly worth clarifying and fixing is the > > > KF revision currently documented in renesas.yaml, i.e. M03. > > > > > > Shimafuji released at least M04, M05 and M06 revisions of KF (nicely > > > compared at https://elinux.org/R-Car/Boards/Kingfisher#Change_point). > > > > > > The question is, does the community intend to support M03 through M06 > > > (in which case all of them might need an entry in the documentation) or > > > anything which is earlier than M06 has to be considered deprecated (in > > > which case renesas.yaml would need a simple s/M03/M06/ update)? > > > > I'm not that familiar with KingFisher and the various revisions. > > Do these differences have an impact on the software side? > > The diodes and filters probably don't. > > I personally no longer use KF M03, since its major limitation is not > being able to update the contents of Hyperflash using Lauterbach if > ULCB is stacked on the expansion board (unplugging ULCB each time > it is flashed is absolutely not practical). Note that if you build ATF with RCAR_RPC_HYPERFLASH_LOCKED=0, you can access HF from U-Boot or Linux. > I've heard from audio engineers that recent revisions are more suitable > for audio use-cases, but I don't know the full details. > > > The I2C repeaters are PCA9548ADB on M03, hence they use a Linux > > driver. By what have they been replaced? > > What's the nature of the MOST ↔ GPS Function select register change? > > I will try to collect more information and, if I succeed, I will come > back with feedback. Thank you for your patience. Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
